 They are believed to be descendants of the Jangil tribe and it is estimated that they have been in the Andaman Islands for over two millennia.The Jarawas were both linguistically and culturally distinguished from the Greater Andamanese, who did not survive over the years.The early colonisations by the Jarawas showed evidence that there was an early movement of humans through southern Asia and indicate that phenotypic similarities with African groups are convergent.